GPT-5.4 Pro

Available

An OpenAI model with a 1.05M-token context window, image input and tool calling. On the OpenAI API since March 5, 2026.

Access details: OpenAI API

An alias. The provider can point it at a newer version.

gpt-5.4-pro

Updated Sep 23, 2026

Sources & notes

Capabilities & limits

Context window: 1.05M
Maximum output: 128K
Image input: Supported
Tool calling: Supported
Structured output: Unsupported

Pricing

USD / 1M tokens

Input: $30.00
Output: $180.00

Standard rates per million tokens. Discounts and long-context rates, where offered, are on OpenAI's pricing page.

Full rate card 4 rates

All prices in USD.

Short-context input

$30.00 per 1M tokens

prompt ≤ 272K input tokens

Short-context output

$180.00 per 1M tokens

prompt ≤ 272K input tokens

Long-context input

$60.00 per 1M tokens

prompt > 272K input tokens
rate applies to the full session

Long-context output

$270.00 per 1M tokens

prompt > 272K input tokens
rate applies to the full session

Other tiers per 1M tokens (short context): Batch: $15 input / $90 output; Flex: $15 input / $90 output. Regional processing (data residency) endpoints add a 10% uplift. No cached-input discount.

Price history

Sep 23, 2026

Input $30.00 per million tokens

Sep 23, 2026

Output $180.00 per million tokens

Technical details

Parameters: Not published
Active parameters: Not published
Architecture: Not published
Training / knowledge cutoff: Aug 31, 2025
Input modalities: Text, image
Output modalities: Text

From OpenAI

Official announcement ↗

Release & lifecycle

First available: Mar 5, 2026
available: As of Sep 23, 2026